21675400

素因数分解:

$2^3\times 5^2\times {\mathrm{108377}}^1$

素因数の和:108393

約数の個数: 24

約数和(自身を含む): 50395770

約数和(自身を除く): 28720370

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 108377, 216754, 433508, 541885, 867016, 1083770, 2167540, 2709425, 4335080, 5418850, 10837700, 21675400]

約数ペア:

[(1, 21675400), (2, 10837700), (4, 5418850), (5, 4335080), (8, 2709425), (10, 2167540), (20, 1083770), (25, 867016), (40, 541885), (50, 433508), (100, 216754), (200, 108377)]